Linux Tutorials
Ubuntu Linux is a popular, user-friendly, and free open-source Linux distribution developed by Canonical. It is based on Debian but focuses on ease of use, making it an excellent choice for both beginners and advanced users. Launched in 2004, Ubuntu is known for its regular release cycle, with long-term support (LTS) versions offering five years of security and maintenance updates, making it ideal for both desktop and server environments. Ubuntu includes a wide range of pre-installed software and supports a vast library of applications, making it suitable for various purposes such as development, cloud computing, and IoT. Its intuitive user interface, stability, and active community support have made Ubuntu one of the most widely used Linux distributions in the world.
In this article, we will see an example of a resource limit and request for CPU and Memory. We will also use Metric Server. The Metrics Server is an aggregator of resource usage data in the cluster and it is not deployed by default in the cluster. We will use this Metric Server to see the resource consumption by pods.
LibreNMS is a free, open-source, and powerful network monitoring tool for Linux-based operating systems. In this tutorial, we will show you step-by-step instructions on how to install LibreNMS on Ubuntu 22.04.
Mastodon is free and open-source software for running self-hosted social networking services. It offers microblogging features that allow you to follow other users and post messages and images with Mastodon. In this tutorial, we will show you how to install Mastodon on Ubuntu 22.04.
RabbitMQ is a free and open-source message broker. In this tutorial, we will install and set up the RabbitMQ server between multiple Ubuntu 22.04 machines. You’ll also learn how to set up an administrator user for RabbitMQ and set up classic queue mirroring via the HA policy.
Odoo (formerly known as OpenERP) is a self-hosted suite of over 10,000 open Odoo is a free and open-source ERP solution for multiple types of businesses. In this tutorial, we will the Odoo open-source ERP on the Ubuntu 22.04 server.
Suricata is a free and open-source network analysis and threat detection software developed by OSIF. It can be used as an intrusion detection system (IDS) and an intrusion prevention system (IPS).
ModSecurity is a free and open-source Web Application Firewall (WAF) that protects your website from several types of attacks, including cross-site scripting (XSS), SQL injection, session hijacking, and many more. In this tutorial, we will show you how to install ModSecurity with Nginx on Ubuntu 22.04.
Redmine is free and open-source project management and issue-tracking tool. It’s web-based application software, mainly written in Ruby on Rails. It’s cross-platform and supports multiple databases and multiple languages.
Matrix is a free, open-source, and web-based solution used for messaging and VoIP services. It is an open standard VOIP protocol that allows you to communicate with other users on a different service provider via voice-over-IP and chat.
Graylog is a free and open-source log monitoring tool used for capturing, storing, and enabling real-time analysis of terabytes of machine data. In this tutorial, we will show you how to install Graylog on Ubuntu 22.04 server.